build(deps): bump composefs from 1aed878 to 597a766

Bumps [composefs](https://github.com/containers/composefs) from `1aed878` to `597a766`.
- [Release notes](https://github.com/containers/composefs/releases)
- [Commits](containers/composefs@1aed878...597a766)

---
updated-dependencies:
- dependency-name: composefs
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

tests/test-composefs.sh

@@ -38,7 +38,7 @@ orig_composefs_digest=$($OSTREE show --print-hex --print-metadata-key ostree.com
 $OSTREE commit ${COMMIT_ARGS} -b test-composefs2 --generate-composefs-metadata test2-co
 new_composefs_digest=$($OSTREE show --print-hex --print-metadata-key ostree.composefs.digest.v0 test-composefs2)
 assert_streq "${orig_composefs_digest}" "${new_composefs_digest}"
-assert_streq "${new_composefs_digest}" "4d97f295ac9d379b7b3c42ddec49cc55b570c5b8b2a6f3f835f473854b0ad0cd"
+assert_streq "${new_composefs_digest}" "7a53698f5aa7af7e8034a10bd2fcc195e9df46781efd967a3fc83d32a1d3eda1"
 tap_ok "composefs metadata"
 
 tap_end